YB20 Prefabricated Substation

Product Structure Features
good corrosion,waterproof and dust resistance,
beautiful appearance,
easy to transport and mainte

Description

Instruction

Altitude: below1000m; (Up to 4000m offering available upon request. Please contact manufacturer for more information).

Ambient Temperature:-30℃~+40℃

Temperature: Max monthly average temperature below +30℃. Max annual average temperature below +20℃;

Relative Humidity: Max daily average relative humidity bwlow 95%, max monthly average relative humidity below 90%;

Seismic design: horizontal acceleration below 0.4m/s², vertical acceleration below 0.15 m/s²

Installation Site: no severe collision, no serious pollution and chemical corrosion, no conductive dust and explosion danger;

When cannot meet the requirement of the normal use conditions, please negotiate with our company.

YB20 Prefabricated Substation

[performance parameter]

	project	unit	parameter
MV unit	Rated frequency	HZ	50
	Rated voltage	KV	6	10	35
	maximum working voltage	KV	6.9	11.5	40.5
	Rated current	A	400,630,1250
	Transfer current	A	1200~3150
	power frequency withstand voltage over the ground and phase to phase/break	KV	42/48
	Lighting impulse withstand voltage over the ground and phase to phase/break	KV	75/85
	Rated short -circuit breaking current(current limiting fuse)	KA	31.5
Transformer unit	Rated voltage	KV	6,10,35
	Rated capacity	KVA	30-2000
	Tapping range	%	±2×2.5%,±5%
	Vector groups		Yyno,Dyn11
	Uk%	%	4,4.5,6,8
LV unit	Rated voltage	V	220,380,690,1000
	rated current of main circuit	A	50-4000
	branch current	A	5-800
enclosure	Protection class		MV compartment; transformer compartment; LV compartment
	noise level	Db	below 50

Shenyang Haocen Electric Co., Ltd.

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